Plants in the rainforest a. effectively conserve and retain water b. have low levels of transpiration c. release 50-80% of their water back into the ecosystem d. are adapted to conditions of drought

In a population that is in hardy-weinberg equilibrium, there are two possible alleles for a certain gene, a and a. if the frequency of allele a is 0.4, what fraction of the population is heterozygous? a. 0.40 b. 0.60 c. 0.16 d. 0.48